Alcoa Power Generating Inc.
E660376
Alcoa Power Generating Inc. is a former energy subsidiary of Alcoa that developed and operated hydroelectric power facilities in the United States.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Alcoa Power Generating Inc. canonical | 6 |
How this entity was disambiguated
This entity first appeared as the object of triple T7370910 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Alcoa Power Generating Inc. Context triple: [High Rock Lake, formerOperator, Alcoa Power Generating Inc.]
-
A.
Alabama Power Company
Alabama Power Company is a major electric utility serving much of Alabama, known for operating hydroelectric dams and reservoirs as part of its power generation system.
-
B.
Cinergy Corporation
Cinergy Corporation was a U.S.-based energy company best known in part for its naming rights sponsorship of Cincinnati’s Cinergy Field baseball stadium.
-
C.
Oglethorpe Power Corporation
Oglethorpe Power Corporation is a Georgia-based electric cooperative that generates and supplies wholesale power to member-owned utilities, including through ownership stakes in nuclear facilities.
-
D.
Duke Power Company
Duke Power Company is a U.S. electric utility company historically known for its involvement in the landmark employment discrimination case Griggs v. Duke Power Co.
-
E.
Great Western Power Company
Great Western Power Company was an early 20th-century California electric utility company known for developing hydroelectric projects and infrastructure in the Sierra Nevada region.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Alcoa Power Generating Inc. Target entity description: Alcoa Power Generating Inc. is a former energy subsidiary of Alcoa that developed and operated hydroelectric power facilities in the United States.
-
A.
Alabama Power Company
Alabama Power Company is a major electric utility serving much of Alabama, known for operating hydroelectric dams and reservoirs as part of its power generation system.
-
B.
Cinergy Corporation
Cinergy Corporation was a U.S.-based energy company best known in part for its naming rights sponsorship of Cincinnati’s Cinergy Field baseball stadium.
-
C.
Oglethorpe Power Corporation
Oglethorpe Power Corporation is a Georgia-based electric cooperative that generates and supplies wholesale power to member-owned utilities, including through ownership stakes in nuclear facilities.
-
D.
Duke Power Company
Duke Power Company is a U.S. electric utility company historically known for its involvement in the landmark employment discrimination case Griggs v. Duke Power Co.
-
E.
Great Western Power Company
Great Western Power Company was an early 20th-century California electric utility company known for developing hydroelectric projects and infrastructure in the Sierra Nevada region.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
energy company
ⓘ
former subsidiary ⓘ |
| alsoKnownAs | APGI NERFINISHED ⓘ |
| businessModel | electricity generation ⓘ |
| corporateForm | corporation ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| developed | hydroelectric power facilities ⓘ |
| energyInfrastructureType | hydroelectric facilities ⓘ |
| energySource | hydroelectric power ⓘ |
| focusArea | hydropower projects ⓘ |
| industry |
electric power industry
ⓘ
hydroelectric power generation ⓘ |
| locationCountry |
United States of America
ⓘ
surface form:
United States
|
| operated | hydroelectric power facilities ⓘ |
| operatedIn |
United States of America
ⓘ
surface form:
United States
|
| ownedBy | Alcoa NERFINISHED ⓘ |
| parentOrganization | Alcoa NERFINISHED ⓘ |
| powerGenerationTechnology | hydroelectric dams ⓘ |
| purpose | to supply power to Alcoa operations ⓘ |
| regulatoryDomain | U.S. energy regulation ⓘ |
| sector | energy sector ⓘ |
| servedIndustry | aluminum production ⓘ |
| status | defunct ⓘ |
| subsidiaryOf | Alcoa NERFINISHED ⓘ |
| typeOfPowerGeneration | renewable energy ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Alcoa Power Generating Inc. Description of subject: Alcoa Power Generating Inc. is a former energy subsidiary of Alcoa that developed and operated hydroelectric power facilities in the United States.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.